Removal of CO2, N2, and H2S from gas mixtures containing same

US8545602B2 · kind B2 · utility

Assignee

• EXXONMOBIL RESEARCH AND ENGINEERING COMPANY · US

Inventors

• Ronald R. Chance · Annandale, US
• Sebastian C. Reyes · Readington, US
• Harry W. Deckman · Clinton, US
• Gregory J. DeMartin · Flemington, US
• Bruce T. Kelley · Kingwood, US
• Paul Scott Northrop · Spring, US
• Eugene R. Thomas · Pittstown, US

Key dates

• Filing date: Apr 4, 2008
• Grant date: Oct 1, 2013
• Expiry date: Jan 2, 2031

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02C20/40
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The removal of one or more of the gases CO2, N2 and H2S from gas mixtures containing at least one of said gases with use of an 8-ring zeolite having a Si:Al ratio from about 1:1 to about 1000:1. The preferred gas mixture is a natural gas feedstream and the preferred 8-ring zeolite is DDR.